The following Solaris operating-environment features are not supported in a Sun Cluster configuration:
Solaris interface groups are not supported in a Sun Cluster configuration. The Solaris interface groups feature is disabled by default during Solaris software installation. Do not re-enable Solaris interface groups. See the ifconfig(1M) man page for more information about Solaris interface groups.
Automatic power-saving shutdown is not supported in Sun Cluster configurations and should not be enabled. See the pmconfig(1M) and power.conf(4) man pages for more information.